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diff --git a/keyboards/frenchdev/readme.md b/keyboards/frenchdev/readme.md new file mode 100644 index 000000000..34962bad5 --- /dev/null +++ b/keyboards/frenchdev/readme.md @@ -0,0 +1,53 @@ +# My take on a splitted keyboard + +to build : + + docker run --rm -e keymap=default -e subproject=v1 -e keyboard=frenchdev --rm -v D:/Repositories/qmk:/qmk:rw edasque/qmk_firmware + + +The PHYSICAL rows and columns are connected as such : + +on right hand (slave) : + + I2C mcp23018 + .------- --------. + GND -| 1 VSS \_/ NC 28 | + | 2 NC A7 27 |- C15 + R5 -| 3 B0 A6 26 |- C14 + R4 -| 4 B1 A5 25 |- C13 + R3 -| 5 B2 A4 24 |- C12 + R2 -| 6 B3 A3 23 |- C11 + R1 -| 7 B4 A2 22 |- C10 + R0 -| 8 B5 A1 21 |- C9 + | 9 B6 A0 20 |- C8 + | 10 B7 INTA 19 | + VCC -| 11 VDD INTB 18 | + SCL -| 12 SCL NC 17 | + SDA -| 13 SDA RST 16 |- VCC + | 14 NC ADDR 15 |- GND + `------------------' + +and on left hand (main) : + + TEENSY + .------------------. + | GND VCC | + C7 -| B0 F0 |- R5 + C6 -| B1 F1 |- R4 + C5 -| B2 F4 |- R3 + C4 -| B3 F5 |- R2 + LEDC -| B7 F6 |- R1 + SCL -| D0 F7 |- R0 + SDA -| D1 B6 |- LEDB + C3 -| D2 B5 |- LEDA + C2 -| D3 B4 | + C1 -| C6 D7 | + C0 -| C7 D6 |- GND + | D5 D4 | + | VCC RST | + | E6 GND | + `------------------' + +we use pull up resistor for SCL et VDA, see https://github.com/ErgoDox-EZ/docs/blob/master/ErgoDox%20EZ%20Schematic.pdf for example + +the connector is a standard TRRS (jack with audio + mic) |